IMSR400
US
Basics
Reactor Type
Molten Salt Reactor
Reactor Description
Integral graphite MSR
Electric Output (MWe)
2 x 195
Thermal Output (MWt)
884
Size
Medium
Spectrum
Thermal
Developer
Terrestrial Energy
Pilot Site Details
Canadian National Laboratories undisclossed site
Details
Use (goal of commercial operation)
electric power generation, heat, hydrogen production
Deployment medium
Land-Based
Design Lifetime (Years)
56
Fuel
Fuel class
LEU
Fuel Type
Molten Salt
Fuel Cycle
N/A
Cooling & Temperature
Reactor cooling of primary loop
Fluoride Salt
Reactor moderator
Graphite
Reactor Outlet Temperature (°C)
700
Status
Design status
Detailed Design
Licensing status
- Apr 2023 - IMSR passed phase 2 of...
- Apr 2023 - IMSR passed phase 2 of pre-licensing vendor design review (VDR) by Canada's regulator
- Jan 2022 - first joint US and Canada review passed of postulated initiating events (PIE) analysis and methodology for proposed IMSR design
- Since 2019 - US NRC involved in pre-licensing activities for IMSR including technical and topical reports reviews
- Dec 2019 - US and Canada regulators chose IMSR for their first ever joint review
- Nov 2018 - IMSR passed phase 1 of pre-licensing vendor design review (VDR) by Canada's regulator CNSC
Deployment timeline
- 2025 - Start licensing of pilot site in...
- 2025 - Start licensing of pilot site in North America
- 2027 - Construction to start of first full-scale plant
- 2033 - First operation target
Agreements and Engagement
- Oct 2024 - Terrestrial Energy...
- Oct 2024 - Terrestrial Energy signed partnership with Viaro Energy for potential IMSR projects in UK
- Dec 2023 - Terrestrial Energy signed an MoU with Emirates Nuclear Energy Corporation
- Aug 2023 - Agreement signed with Westinghouse's Springfields Fuels for the design and construction of an IMSR fuel pilot plant.
- In 2021 - Plant supplier consortium formed with BWXT, Siemens, Orano, Aecon, Cameco, KSB, Westinghouse
